Granted Patent
Utility
US 5,769,816 · App. 08/640,015
Cannula with associated filter
Inventors:
Denise Barbut, Jonathan Root, Giovanni Pastrone, James M. Sellers, Robert Rizzari
Patented Case
View Patent ↗
Granted: Jun 23, 1998
Filed: Apr 30, 1996
Inventors
Denise Barbut
Jonathan Root
Giovanni Pastrone
James M. Sellers
Robert Rizzari
Assignee (at issue)
Embolx, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.